spiral arm造句
例句与造句
- The 100 billion stars of this galaxy are chiefly located in two spiral arms that extend from the nucleus .
这个星系所属的1000亿颗恒星主要分布在从核心伸展出来的两条旋臂上。 - Stars are born in these interstellar clouds, which are located in the spiral arms of our milky way galaxy
在我们银河系里，恒星就是在位于银河系旋臂上的这种星际气云中产生的。 - The mostly accepted theory of the spiral arms is the
最广为天文学界所接受的说法是 - Our sun is on the orion spiral arm , about two - third from the center
太阳位于银河系的猎户臂，距离银心约为半径的三分之二。 - Spiral arm tracer
示臂天体 - It's difficult to find spiral arm in a sentence. 用spiral arm造句挺难的
- Suppose a spiral arm rotated around the center of its galaxy in about 250 million years - - as in the milky way
假设一条旋臂绕其星系中心一周大约2 . 5亿年，就像银河一样。 - In order to trace out the spiral arms , we could search for the hydrogen , which is abundant in the spiral arms
为了把旋臂的结构勾勒出来，方法是找出旋臂中特别丰富的氢气分布情况。 - Our distant sun cannot be seen here , but it is in the center of the image , near the border of one spiral arm
我们遥远的太阳在这里还看不到，但它在这幅图的中心，靠近一条旋臂的边缘。 - It is difficult to detect the spiral arms in our galaxy because 1 we are inside the galaxy and 2 the gas and dust , which form
我们身处在银河系中，不能从远方把银河系结构看清楚散布在银河系中的大量气体尘埃 - This makes space telescope invaluable for identifying a rare class of pulsating stars , called cepheid variable stars embedded within m100 ' s spiral arms
这对于从m100的旋臂中分辨出暗藏的造父变星有着莫大价值。 - In looking at the carina nebula we are seeing the genesis of star making as it commonly occurs along the dense spiral arms of a galaxy
通过对船底座星云的观察，我们看到了通常沿银河密集的旋臂所诞生恒星的起源。 - Another possibility is that large - scale spiral waves in the disk , similar to the spiral arms observed in galaxies , hasten the inflow of matter
另一个可能性是，类似星系旋臂的大尺度螺旋波，加剧了物质的向内流动。 - Far out in the uncharted backwaters of the unfashionable end of the western spiral arm of the galaxy lies a small unregarded yellow sun
在银河系西螺旋臂的末端那片未曾标明的寂静虚空中，悬挂着一颗不被人注意的小小的黄色太阳。 - In this theory , bars and spiral arms are waves of excess density , where stars are crowded together temporarily in a cosmic traffic jam
在这个理论中，棒子与螺旋臂是高密度所形成的波，而在该处恒星蜂拥群集，造成暂时的宇宙交通堵塞。 - Another prominent feature of the milky way galaxy is the spiral arms . they consist of young stars extending from the center to the edge of the disk
银河系另一个重要的特徵便是它的旋臂，这些旋臂由中心延展至银盘边缘，包含了无数年青的恒星。
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